Answer:
In the equation, it divides 21 by x before knowing what x is, and gets it incorrect. Instead, you need to divide 21 by -4.2.
Step-by-step explanation:
-4.2x = 21
-------------
-4.2
x = -5
Use cymath it gives you the math answers but the answer is x=74
Answer: Hence, the value of expression is 30 when p = 8.
Step-by-step explanation:
Since we have given that

and we have p = 8.
So, we substitute the value of p in the above expression.
so, it becomes,

Hence, the value of expression is 30 when p = 8.
Answer:
273.75 days
Step-by-step explanation:
Answer:
2^3 x 3 x 5^2
Step-by-step explanation:
600/2
300/2
150/2
75/3
25/5
5/5
1